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4072660 = 225269757
BaseRepresentation
bin1111100010010011010100
321122220122021
433202103110
52020311120
6223142524
746421434
oct17422324
97586567
104072660
112331939
121444a44
13ac7977
147802c4
15556aaa
hex3e24d4

4072660 has 24 divisors (see below), whose sum is σ = 8595720. Its totient is φ = 1620864.

The previous prime is 4072637. The next prime is 4072661. The reversal of 4072660 is 662704.

4072660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 56644 + 4016016 = 238^2 + 2004^2 .

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4072661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5002 + ... + 5758.

It is an arithmetic number, because the mean of its divisors is an integer number (358155).

Almost surely, 24072660 is an apocalyptic number.

It is an amenable number.

4072660 is an abundant number, since it is smaller than the sum of its proper divisors (4523060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4072660 is a wasteful number, since it uses less digits than its factorization.

4072660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035 (or 1033 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 4072660 is about 2018.0832490262. The cubic root of 4072660 is about 159.6955146718.

The spelling of 4072660 in words is "four million, seventy-two thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 269 538 757 1076 1345 1514 2690 3028 3785 5380 7570 15140 203633 407266 814532 1018165 2036330 4072660